package com.linlang.grasharepro.utils;

import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.RectF;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;

/**
 * @Author SunnyCoffee
 * @Date 2014-1-28
 * @version 1.0
 * @Desc 工具类
 */

public class Utils {

	public static String getCurrentTime(String format) {
		Date date = new Date();
		SimpleDateFormat sdf = new SimpleDateFormat(format, Locale.getDefault());
		String currentTime = sdf.format(date);
		return currentTime;
	}

	public static String getCurrentTime() {
		return getCurrentTime("yyyy-MM-dd  HH:mm:ss");
	}

	public Bitmap toRoundBitmap(Bitmap bitmap) {
		        //圆形图片宽高  
		        int width = bitmap.getWidth();  
		        int height = bitmap.getHeight();  
		        //正方形的边长  
		        int r = 0;  
		        //取最短边做边长  
		        if(width > height) {  
			            r = height;  
			        } else {  
			            r = width;  
			        }  
		        //构建一个bitmap  
		        Bitmap backgroundBmp = Bitmap.createBitmap(width,
				                 height, Bitmap.Config.ARGB_8888);
		        //new一个Canvas，在backgroundBmp上画图  
		        Canvas canvas = new Canvas(backgroundBmp);
		        Paint paint = new Paint();
		        //设置边缘光滑，去掉锯齿  
		        paint.setAntiAlias(true);  
		        //宽高相等，即正方形  
		        RectF rect = new RectF(0, 0, r, r);
		        //通过制定的rect画一个圆角矩形，当圆角X轴方向的半径等于Y轴方向的半径时，  
		        //且都等于r/2时，画出来的圆角矩形就是圆形  
		        canvas.drawRoundRect(rect, r/2, r/2, paint);  
		        //设置当两个图形相交时的模式，SRC_IN为取SRC图形相交的部分，多余的将被去掉  
		        paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
		        //canvas将bitmap画在backgroundBmp上  
		        canvas.drawBitmap(bitmap, null, rect, paint);  
		        //返回已经绘画好的backgroundBmp  
		        return backgroundBmp;
	}
}
